Used for conditional execution.

if expression:

suite

elif expression:

suite

else:

suite

if

Required. Branching starting point.

elif

Optional. Another conditional expression.

else

Optional. Indicates block of code executed when none of the conditions specified in if or elif constructs was True.

TODO

#TODO

It selects exactly one of the suites by evaluating the expressions one by one until one is found to be true; then that suite is executed (and no other part of the if statement is executed or evaluated). If all expressions are false, the suite of the else clause, if present, is executed.

#TODO